FR453109A - Lens for optical devices - Google Patents

Lens for optical devices

Info

Publication number: FR453109A
Authority: FR; France
Prior art keywords: lens; optical devices; optical; devices
Prior art date: 1912-03-26
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

LACOUR BERTHIOT DES ETS

Original Assignee

LACOUR BERTHIOT DES ETS

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1912-03-26

Filing date

1912-03-26

Publication date

1913-05-31

1912-03-26 Application filed by LACOUR BERTHIOT DES ETS filed Critical LACOUR BERTHIOT DES ETS

1913-05-31 Application granted granted Critical

1913-05-31 Publication of FR453109A publication Critical patent/FR453109A/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)

FR453109D 1912-03-26 1912-03-26 Lens for optical devices Expired FR453109A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR453109T		1912-03-26

Publications (1)

Publication Number	Publication Date
FR453109A true FR453109A (en)	1913-05-31

Family

ID=1493253

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR453109D Expired FR453109A (en)	1912-03-26	1912-03-26	Lens for optical devices

Country Status (1)

Country	Link
FR (1)	FR453109A (en)

1912
- 1912-03-26 FR FR453109D patent/FR453109A/en not_active Expired

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